SOLUTION: Please help me answer this equation by using the substitution method. y = 2x - 5 4x - y = 7

Algebra ->  Systems-of-equations -> SOLUTION: Please help me answer this equation by using the substitution method. y = 2x - 5 4x - y = 7      Log On


   



Question 20971: Please help me answer this equation by using the substitution method.
y = 2x - 5
4x - y = 7

Answer by christinaaa192(28) About Me  (Show Source):
You can put this solution on YOUR website!
first you need to substitute y for 2x-5.
now the equation is 4x-2x-5=7=
2x-5=7=
2x=12=
Now I'll leave that to you
I hope this helps